<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        p{
           font-size: 14px;
            color: red;
            text-decoration: underline;
        }

        .demo{
            font-size: 48px;
            text-decoration: none;
            border: 1px solid #C00
        }
    </style>
</head>
<body>
<p class="demo">喜欢就来电吧</p>
</body>
</html>